Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12016103 | Temperature sensing induction heating tool | — | 2024-06-18 |
| 10925124 | Stand-up induction heating tool for membrane roofing | John P. Barber, Joshua S. Kelly | 2021-02-16 |
| 8933379 | Stand-up membrane roofing induction heating tool | John P. Barber, Joshua S. Kelly | 2015-01-13 |
| 8492683 | Stand-up membrane roofing induction heating tool | John P. Barber, Joshua S. Kelly | 2013-07-23 |
| 7667938 | Power node switching center | John I. Ykema, John P. Barber | 2010-02-23 |
| 7491916 | Induction coil design for portable induction heating tool and method for its use | John P. Barber, Robert C. Cravens, II, Susan A. Stanton | 2009-02-17 |
| 7399949 | Method and apparatus for attaching a membrane roof using induction heating of a susceptor | John P. Barber, Robert C. Cravens, II, Susan A. Stanton | 2008-07-15 |
| 7202450 | Induction coil design for portable induction heating tool | John P. Barber, Robert C. Cravens, II | 2007-04-10 |
| 6875966 | Portable induction heating tool for soldering pipes | John P. Barber, Robert C. Cravens, II, Susan A. Stanton | 2005-04-05 |
| 6465995 | Switching power supply with AC waveform capability | John P. Barber, Robert C. Cravens, II | 2002-10-15 |
| 6208121 | Switching power supply with AC waveform capability | John P. Barber, Robert C. Cravens, II | 2001-03-27 |
| 5049771 | Electrical machine | David P. Bauer | 1991-09-17 |